OXAMINE BLUE B
- CAS NO.：6428-97-3
- Empirical Formula: C34H25N5Na2O10S2
- Molecular Weight: 773.69934
- MDL number: MFCD03457851
What is OXAMINE BLUE B?
Preparation
3,3′-Dimethoxylbenzidine double nitriding, first in alkaline conditions and 8-Amino-4-hydroxynaphthalene-2-sulfonic acid, and then matches with 4-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
blue. Soluble in water for purple to red light blue. The strong sulfuric acid for green light blue, diluted into a red light purple; In nitric acid to yellow. The dye solution to join strong hydrochloric acid for blue purple; Add thick sodium hydroxide solution for purplish red color to red light purple.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3 | 5 | 2 | 1-2 | 2 | ||
Safety information for OXAMINE BLUE B
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